How far can toilet be from sewer line?

If the toilet is less than six feet from the stack, tie the waste line from the new toilet directly into the stack. The toilet can be as far as 10 feet from the stack if the waste line is 4 inches.

How big of a drain pipe do you need for a toilet?

The drain pipe in your toilet carries waste away into the home’s main drain line. The standard size for a toilet drain pipe is 3 inches in diameter, but drains up to 4 inches in diameter are often used.

Do you need a sewer line for a new toilet?

If you’re connecting a new toilet to an existing stack, you only need to install the waste and supply lines. To do this, the toilet must be placed within 10 feet of the stack. A configuration in which the waste line connects directly to the sewer will require venting for the waste line.

Where does the water supply line run to the toilet?

The water supply line does not run directly to the toilet, however. A supply tube connects the supply pipe to the tank. The closet bend is the elbow joint underneath the toilet that connects the vertical toilet drain pipe to the sloping drain pipe leading to the home’s main drain stack.

What to do if your toilet drain line runs away from the wall?

If the toilet drain does not connect directly to a vent, you must find another way to vent it. If the drain line runs away from the wall where you want the vent, use a reducing Y and a 45-degree street elbow to point the vent line toward the wall.

How to install new plumbing lines for a toliet?

Reduce the size of the opening of the top of the soil stack to 2 inches with a reducing coupling. Glue 2-inch PVC pipe to the reducer and extend it through the roof. This pipe vents the toilet and should terminate 1 foot above the roof line.

If the toilet drain does not connect directly to a vent, you must find another way to vent it. If the drain line runs away from the wall where you want the vent, use a reducing Y and a 45-degree street elbow to point the vent line toward the wall.

What are the rules for installing a sewer line?

Proper installation of a Sewer Line. There are two basic rules to a successful house sewer line installation. The 1st rule is to install the entire line with a minimum of 1/4″ of pitch per foot of run. If even one section of pipe is back-pitched, grease and clogs will result. The beauty of your home sewer system is that it runs by gravity.

How big of a drain do you need for a toilet?

1. The Toilet’s Drain Size. Pipe Size Maximum DFUs Slope of Horizontal Drain Plumbing Code Reference 3″ (Building Drain) 42 1/4″ per foot IPC (International Plumbing Code) Table 710.1 (1) 3″ (Horizontal Drain) 35* 1/4″ per foot UPC (Uniform Plumbing Code) Table 703.2